1971 Johnson 2HP outboards Service Manual, Page 18Get this manual
3-3 FUEL TANK The fuel tank supplies fuel through gravity flow to the carburetorA vent in the filler cap allows air to enter the tank as fuel leavesThe fuel filter is positioned inside the fuel tank and is part of the fuel hose connectorA fuel shut-off valve is poSitioned in the fuel line directly below the filter
REMOVAL OF FUEL TANK CARBURETOR AND INTAKE MANIFOLD
aShut off fuel supply at fuel shut-off valvebRemove low speed knobcRemove cap screws retaining rewind starterSee Figure 3-2dDisconnect fuel hose at carburetoreRemove slotted screws control panel to carburetor and cap screws fuel tank support bracket to cylinder headAlign speed control lever with slot in support bracketSee insert Figure 3-4Remove support bracket and fuel tankfRemove carburetor by removing the two attaching nuts, see Figure 3-3gRemove four screws and intake manifold, leaf valve assembly, and gaskets from power headSee Figure 3-4hFuel tank may be removed from support bracket at this timeFigure 3-3Carburetor Attaching Nuts Figure 3-2Fuel Tank Screws and Fuel Line